[go: up one dir, main page]

ZA706375B - Improvements in or relating to control means for electric motors operated from batteries - Google Patents

Improvements in or relating to control means for electric motors operated from batteries

Info

Publication number
ZA706375B
ZA706375B ZA706375A ZA706375A ZA706375B ZA 706375 B ZA706375 B ZA 706375B ZA 706375 A ZA706375 A ZA 706375A ZA 706375 A ZA706375 A ZA 706375A ZA 706375 B ZA706375 B ZA 706375B
Authority
ZA
South Africa
Prior art keywords
batteries
relating
control means
electric motors
motors operated
Prior art date
Application number
ZA706375A
Inventor
J Morton
K Stevens
G Thexton
Original Assignee
Cableform Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cableform Ltd filed Critical Cableform Ltd
Publication of ZA706375B publication Critical patent/ZA706375B/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/0833—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for electric motors with control arrangements
ZA706375A 1969-09-23 1970-09-18 Improvements in or relating to control means for electric motors operated from batteries ZA706375B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4672769 1969-09-23

Publications (1)

Publication Number Publication Date
ZA706375B true ZA706375B (en) 1971-05-27

Family

ID=10442365

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA706375A ZA706375B (en) 1969-09-23 1970-09-18 Improvements in or relating to control means for electric motors operated from batteries

Country Status (2)

Country Link
GB (1) GB1330131A (en)
ZA (1) ZA706375B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2114323B (en) * 1981-10-15 1985-06-26 Univ Dundee Automatic control of d.c motors
US6297607B1 (en) * 1999-03-12 2001-10-02 Eaton Corporation Thermal compensation control for a motor starter
DE102006024018A1 (en) * 2006-05-23 2007-11-29 Dr. Johannes Heidenhain Gmbh Protective circuit for e.g. frequency converter, has transducer circuit whose outputs are applied to maximum creator for forming maximum of outputs, where maximum is connected to comparator, in which maximum is compared with reference value

Also Published As

Publication number Publication date
GB1330131A (en) 1973-09-12

Similar Documents

Publication Publication Date Title
ZA735025B (en) Improvements in or relating to electric interference-suppressing assemblies
ZA71926B (en) Improvements in or relating to control means for electric motors operated from batteries
ZA706375B (en) Improvements in or relating to control means for electric motors operated from batteries
GB1071369A (en) Improvements in or relating to electric motors
AU2020370A (en) Improvements in or relating to control means for electric motors operated from batteries
ZA702950B (en) Improvements in or relating to electric switches
ZA706376B (en) Improvements in or relating to control means for battery operated electric motors
ZA707059B (en) Improvements in or relating to control circuit for d.c.electric motors
ZA705374B (en) Improvements in or relating to control arrangements for electric motors
ZA734537B (en) Improvements in or relating to electric key-switches
ZA704366B (en) Improved speed control for electric motors
JPS441870B1 (en) Improvements in or relating to Electric Cells.
GB1062501A (en) Improvements in or relating to small electric motor brushgear
AU431564B2 (en) Improvements in or relating to control systems for electric motors
AU4865969A (en) Improvements in or relating to control systems for electric motors
IL42450A0 (en) Improvements in or relating to electric switches
IL35114A0 (en) Improvements in or relating to electric switches
IE33169B1 (en) Improvements in or relating to electric power distribution
AU402926B2 (en) Improvements in or relating to electric motors
AU402720B2 (en) Improvements in or relating to electric control apparatus
AU440000B2 (en) Improvements in or relating to electric motors
AU419670B2 (en) Improvements in or relating to control systems for electric motors
IL42451A0 (en) Improvements in or relating to electric switches
ZA705539B (en) Improvements in or relating to electric switches
ZA724503B (en) Improvements in or relating to electric cables